276028 has 12 divisors (see below), whose sum is σ = 487312. Its totient is φ = 136800.

The previous prime is 276019. The next prime is 276037. The reversal of 276028 is 820672.

276028 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (276019) and next prime (276037).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 275993 and 276011.

It is a congruent number.

It is an unprimeable number.

276028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376 + ... + 832.

2²⁷⁶⁰²⁸ is an apocalyptic number.

It is an amenable number.

276028 is a deficient number, since it is larger than the sum of its proper divisors (211284).

276028 is a wasteful number, since it uses less digits than its factorization.

276028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 276028 is about 525.3836693313. The cubic root of 276028 is about 65.1105023708.

Subtracting 276028 from its reverse (820672), we obtain a square (544644 = 738²).

The spelling of 276028 in words is "two hundred seventy-six thousand, twenty-eight".